rosetta/services/herdd/main.c

#include <errno.h>
#include <mango/log.h>
#include <pthread.h>
#include <stdio.h>
#include <string.h>
#include <sys/remote.h>
#include <sys/types.h>
#include <unistd.h>

static void *thread_func(void *arg)
{
	kern_logf("started thread with arg %p", arg);
	errno = 100;
	return (void *)0xdeadbeef;
}

int main(int argc, const char *argv[], const char *envp[])
{
	sys_remote_set(SYS_REMOTE_NSD, 0, 0);

	kern_logf("herdd");
	kern_logf("args:");

	for (int i = 0; i < argc; i++) {
		kern_logf("[%d]: %s", i, argv[i]);
	}

	kern_logf("env:");

	for (int i = 0; envp[i]; i++) {
		kern_logf("[%d]: %s", i, envp[i]);
	}

	kern_logf("self = %p", pthread_self());
	errno = 200;

#if 1
	int dir = open("/", 0);
	if (dir >= 0) {
		kern_logf("opened '/'");
		char buf[4096] = {0};
		struct dentry *dent = (struct dentry *)buf;
		long len = getdents(dir, dent, sizeof buf);
		if (len < 0) {
			kern_logf("getdents failed (%s)", strerror(errno));
		} else {
			for (long i = 0; i < len;) {
				dent = (struct dentry *)(buf + i);
				kern_logf(" - %s", dent->d_name);
				i += dent->d_reclen;
			}
		}
		close(dir);
	} else {
		kern_logf("open() failed: %s", strerror(errno));
	}
#endif

	pthread_t thread;
	pthread_create(&thread, NULL, thread_func, (void *)0xdeafcafe);
	kern_logf("started thread %p", thread);
	void *ret = NULL;
	pthread_join(thread, &ret);
	kern_logf("thread returned %p", ret);

	return 0;
}